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(Topic ID: 275294)

Replaced WPC battery now game wont work.


By joekiss

65 days ago



Topic Stats

  • 33 posts
  • 13 Pinsiders participating
  • Latest reply 64 days ago by NPO
  • Topic is favorited by 1 Pinsider

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#1 65 days ago

Finally got me Demo Man completely working but was getting the factory reset. It has a CR2032 battery in it. Removed it and checked it...it was long dead. Put a new battery in and nothing...absolutely nothing. Lights come on and everything but game wont fire. What did i do?

The battery was really in the holder. Was not easy to get out. If i broke the connection of the battery holder would that matter?

Should the board work just fine without a battery at all?

As always...thanks for the help. I owe certain people here a lot of gratitude for sharing their years of knowledge.

#2 65 days ago
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#3 65 days ago
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#4 65 days ago

Did you bump any of the connectors when removing the battery? Try reseating J210 and J211.

#5 65 days ago

Yes, the game should still work, even without a battery. Usually you can just go into diagnostics and then exit to play a game. You might try gently pushing down on the large chip just to the right of the battery, with power off of course.

#6 65 days ago
Quoted from joekiss:

The battery was really in the holder. Was not easy to get out. If i broke the connection of the battery holder would that matter?

Yeah, it would matter. If you are missing the ground, then you would not get the voltage to the RAM that is needed to hold the settings. Actually, I don't think that battery (-) is connected in the right place.

After all that battery damage repair, I believe NVRAM is always the way to go, especially if you can solder. https://www.pinitech.com/products/6264_nvram.php

Quoted from joekiss:

Should the board work just fine without a battery at all?

Yes, it should boot up fine without battery. What are the state of the 3 red LEDs on the board?

#7 65 days ago

I will check all soon. So this board had battery damage before?

#8 65 days ago
Quoted from joekiss:

Lights come on and everything but game wont fire. What did i do?

Keep in mind, the free play setting would have defaulted to coin play.

Can you add credits if you press the credit button on the coin door?

Then, close the coin door and try to start a game. Does a game start? Usually, there's an interlock switch that disables the coils when the door is open.

#9 65 days ago
Quoted from ForceFlow:

Keep in mind, the free play setting would have defaulted to coin play.
Can you add credits if you press the credit button on the coin door?
Then, close the coin door and try to start a game. Does a game start? Usually, there's an interlock switch that disables the coils when the door is open.

It doesn't boot at all. No DMD no nothing.

#10 65 days ago
Quoted from joekiss:

It doesn't boot at all. No DMD no nothing.

Ok, what do you mean by "lights come on and everything"?

#11 65 days ago

The PF lights come on so it's getting power.

#12 65 days ago
Quoted from joekiss:

I will check all soon. So this board had battery damage before?

Yes. That is why all the copper area is showing. Normally those areas would be covered with green masking, just like the rest of the board.

#13 65 days ago
Quoted from joekiss:

It doesn't boot at all. No DMD no nothing.

Then unplug all the ribbon cables. Does it boot now? A good boot is the middle LED would be blinking fast and the top LED will turn off. If not, press on all the socketed IC chips.

If it boots without all the ribbon cables connected, then reseat all the ribbon cable connections starting at the CPU board, making sure that the ribbon cables are not plugged in one row off.

#14 65 days ago
Quoted from joekiss:

The PF lights come on so it's getting power.

Which lights? The inserts, or just the GI?

#15 65 days ago

I'm sorry just GI. It doesn't boot up at all. Seems like it tries to. Was working 100 percent before I removed the battery.

#16 65 days ago

Hard to tell on my phone but R22 looks damaged, possibly cracked and open. I don't have schematics handy so I don't know if that would affect boot up or not but it's worth checking regardless.

#17 65 days ago
Quoted from joekiss:

I will check all soon. So this board had battery damage before?

The good news is that the sticker that says "That Pinball Place" most likely means that the previous work was done by John Wart Jr.
He did excellent repair work until personal issues caused him to shut down a couple years ago.

#18 65 days ago

Both John Wart and Chris Hibler have worked on this board. As I said before...it was 100 percent before I removed the battery.

#19 65 days ago
Quoted from bobukcat:

Hard to tell on my phone but R22 looks damaged, possibly cracked and open. I don't have schematics handy so I don't know if that would affect boot up or not but it's worth checking regardless.

Just looked on the schematic and R22 is the pull up for the Power On Reset input, if you cracked that when replacing the battery it would stop the game from booting and there is definitely some damage to that resistor so test it with a meter.

#20 65 days ago
Quoted from bobukcat:

Hard to tell on my phone but R22 looks damaged, possibly cracked and open. I don't have schematics handy so I don't know if that would affect boot up or not but it's worth checking regardless.

Saw that as well but wasn’t sure. If not that, could the reset generator have been bumped?

Battery orientation looks Ok to me too.

#21 65 days ago

I'm thinking bobukcat is on the right track here. It certainly looks like R22 could have been damaged in the process of removing the battery, especially if it was difficult.

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#22 65 days ago

Seems dead.

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#23 65 days ago

Will these work? Different percents

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#24 65 days ago

Yes. That one will work. It is guaranteed to be 2%, which is better than the 5% mentioned in the manual.

So it measures open?

#25 65 days ago

Measures nothing. All of the others measure something

#26 65 days ago
Quoted from joekiss:

Measures nothing. All of the others measure something

Bust out that desoldering gun and install the new one. Sounds like you found the problem. Resistors don't have a "polarity" so you can install it in either orientation.

12
#27 65 days ago

That was it!!! thanks as always!!!

#28 64 days ago

This is how all Pinside troubleshooting posts should be. Well described issue with decent pics, some eagle eye recognizes an issue, people confirm this could be the problem. OP fixes problem, fixes game. Reports back to Pinside (this is the one everyone skips), everyone is happy. Well documented for the archives.

#29 64 days ago
Quoted from Shredso:

This is how all Pinside troubleshooting posts should be. Well described issue with decent pics, some eagle eye recognizes an issue, people confirm this could be the problem. OP fixes problem, fixes game. Reports back to Pinside (this is the one everyone skips), everyone is happy. Well documented for the archives.

pleasure is mine!!!

#30 64 days ago

When I install the coin batter holders .

I use a flat file to bevel the edges on the side of the holder that faces the resistor and transistor so that you do not damage or even touch the two with the holder.

The Transistor legs can easily be damaged when installing the holder.

You will be amazed how far you can bevel the holder before cutting through.

#31 64 days ago
Quoted from Eddie:

When I install the coin batter holders .
I use a flat file to bevel the edges on the side of the holder that faces the resistor and transistor so that you do not damage or even touch the two with the holder.
The Transistor legs can easily be damaged when installing the holder.
You will be amazed how far you can bevel the holder before cutting through.

I wasnt replacing the holder just the battery. it was really in there.

#32 64 days ago
Quoted from Shredso:

Reports back to Pinside

and marks thread “resolved” so future readers know a solution was found.

#33 64 days ago
Quoted from YeOldPinPlayer:

and marks thread “resolved” so future readers know a solution was found.

THAT's a good call..

joekiss , go to your original post and click the edit button. That will allow you to edit the title, and place something like ** FIXED ** in the title so future members with your exact same problem know there is a resolution in the thread.

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